/*
 * =====================================================================================
 *
 *       Filename:  Log.cpp
 *
 *    Description:  Log
 *
 *        Version:  1.0
 *        Created:  2025/01/24 11时04分54秒
 *       Revision:  none
 *       Compiler:  gcc
 *
 *         Author:  vyouzhi (vz), vyouzhi@gmail.com
 *   Organization:  Etomc2.com
 *        LICENSE:  BSD-3-Clause license
 *
 *  Copyright (c) 2019-2022, vyouzhi
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *  * Redistributions of source code must retain the above copyright
 *  notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *  notice, this list of conditions and the following disclaimer in the
 *  documentation and/or other materials provided with the distribution.
 *  * Neither the name of vyouzhi and/or the DataFrame nor the
 *  names of its contributors may be used to endorse or promote products
 *  derived from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL vyouzhi BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * =====================================================================================
 */
#include "Log.hpp"
namespace e2q {
namespace log {

std::string format(const char* fmt, ...)
{
    std::string result;

    va_list ap;
    va_start(ap, fmt);

    char* tmp = 0;
    int res = vasprintf(&tmp, fmt, ap);
    va_end(ap);

    if (res != -1) {
        result = tmp;
        if (tmp != nullptr) {
            free(tmp);
        }
    }
    else {
        // The vasprintf call failed, either do nothing and
        // fall through (will return empty string) or
        // throw an exception, if your code uses those
    }

    return result;
}
}  // namespace log
}  // namespace e2q
